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Ceramic Fiber Optic Ferrules


  • Ø1.25 or Ø2.5 mm Ceramic Ferrule
  • 6 Hole Sizes for Single Mode or Multimode Fiber
  • Sold in Packs of 10

CF270-10

Ø2.5 mm Ferrule, Ø270 µm Hole

CFLC126-10

Ø1.25 mm Ferrule, Ø126 µm Hole

Application Idea

Patch Cable with CF270-10 Ferrule
End Mounted in the FCM Ferrule Clamp

Related Items

Ferrule Mechanical Drawing
Click to Enlarge
Mechanical Drawing of Ceramic Ferrule
MM Fiber Connectorized with a Ceramic Ferrule Mated with our Fiber Optic Cannula with a Mating Sleeve
Click to Enlarge
FT200EMT Multimode Fiber Connectorized with a CF230-10 Ceramic Ferrule (Sold Assembled as our M81L01 Optogenetics Patch Cable

Thorlabs offers Ø1.25 mm and Ø2.5 mm ceramic (zirconia) fiber optic ferrules for constructing pigtailed fiber optic patch cables and assemblies. The Ø1.25 mm LC-sized ferrules that compatible with many LC/PC fiber components as well as our ADAL1 mating sleeve (sold below). The standard Ø2.5 mm FC ferrule size is compatible with many FC/PC, SC, and ST fiber components as well as our ADAF1 mating sleeve (also sold below).

Both the FC and LC ceramic ferrules are sold in packs of 10 and are available with several different hole diameters compatible with both single mode and multimode fibers, as indicated in the tables below. Please note that all of our ceramic ferrules have a PC-polished end face.

Thorlabs also stocks multimode patch cables with polished ferrule ends as well as compatible implantable fiber optic cannulae for optogenetics applications.

Fiber Connector Selection Guide
Single Mode Multimode
FC/PC
FC/APC
ST/PC
LC/PC
SC/PC
FC/PC (SS Ferrule)
FC/PC (Ceramic Ferrule)
FC/APC
SMA905
ST/PC
SC/PC
Ceramic Ferrules
Bare Fiber Terminator
Click the Support Documentation icon document icon or Part Number below to view the available support documentation
Part NumberProduct Description
ADAF1 Support Documentation ADAF1:Ceramic Split Mating Sleeve for Ø2.5 mm (FC/PC, ST/PC, or SC/PC) Ferrules
ADAF1-5 Support Documentation ADAF1-5:Ceramic Split Mating Sleeves for Ø2.5 mm (FC/PC, ST/PC, or SC/PC) Ferrules, 5 Pack
ADAL1 Support Documentation ADAL1:Ceramic Split Mating Sleeve for Ø1.25 mm (LC/PC) Ferrules
ADAL1-5 Support Documentation ADAL1-5:Ceramic Split Mating Sleeves for Ø1.25 mm (LC/PC) Ferrules, 5 Pack
CF126-10 Support Documentation CF126-10:Ø2.5 mm Single Mode FC/SC Ceramic Ferrule, Ø126 µm Hole Size (10 Pack)
CF128-10 Support Documentation CF128-10:Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø128 µm Hole Size (10 Pack)
CF230-10 Support Documentation CF230-10:Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø230 µm Hole Size (10 Pack)
CF270-10 Support Documentation CF270-10:Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø270 µm Hole Size (10 Pack)
Part NumberProduct Description
CF340-10 Support Documentation CF340-10:Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø340 µm Hole Size (10 Pack)
CF440-10 Support Documentation CF440-10:Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø440 µm Hole Size (10 Pack)
CFLC126-10 Support Documentation CFLC126-10:Ø1.25 mm Single Mode LC Ceramic Ferrule, Ø126 µm Hole Size (10 Pack)
CFLC128-10 Support Documentation CFLC128-10:Ø1.25 mm Multimode LC Ceramic Ferrule, Ø128 µm Hole Size (10 Pack)
CFLC230-10 Support Documentation CFLC230-10:Ø1.25 mm Multimode LC Ceramic Ferrule, Ø230 µm Hole Size (10 Pack)
CFLC270-10 Support Documentation CFLC270-10:Ø1.25 mm Multimode LC Ceramic Ferrule, Ø270 µm Hole Size (10 Pack)
FCM Support Documentation FCM:Post-Mountable Ø2.5 mm Ferrule Clamp, 8-32 Mounting Hole
FCM/M Support Documentation FCM/M:Post-Mountable Ø2.5 mm Ferrule Clamp, M4 Mounting Hole

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Posted Comments:
Poster:jlow
Posted Date:2014-07-14 11:34:04.0
Response from Jeremy at Thorlabs: We do not have the ceramic ferrule with 1mm ID. We can provide this with stainless steel ferrule.
Poster:pain
Posted Date:2014-07-08 11:19:06.86
Could thoralbs provide with empty ceramic ferule with 1mm ID and standard 2.5 OD ?
Poster:jlow
Posted Date:2014-01-29 04:21:17.0
Response from Jeremy at Thorlabs: We do not supply ceramic before the firing process at the moment. Machining zirconia ceramic would typically require the use of diamond cutting tools.
Poster:RLopes
Posted Date:2014-01-23 18:47:23.77
We need to machine some features on this part, but have been unable because it is the fired ceramic. Can you supply this part before the ceramic firing process? OR... could you advise on a machining process/tooling requirements so we can machine the part as provided?
Poster:pbui
Posted Date:2013-07-03 15:00:00.0
Response from Phong at Thorlabs: Thorlabs can certainly provide custom sized stainless steel ferrules with various lengths and ODs. We will contact you directly to discuss your requirements.
Poster:ma.dmitry
Posted Date:2013-07-02 13:11:04.923
According to the response on the previous question, Thorlabs can provide stainless steel ferrules with various ID and 2.5 or 1.25 mm OD. But could you manufacture and sell stainless steel ferrules with various OD. I am interested in stainless steel ferrules with OD 750 um (or even less) and ID 250 um. If so, what is the less possible OD?
Poster:jjiang
Posted Date:2013-04-25 00:33:15.033
Does thorlab sell empty stainless steel ferrule with different hole size?
Poster:tcohen
Posted Date:2013-04-25 12:42:00.0
Response from Tim at Thorlabs: We can provide 2.5mm OD or 1.25mm OD stainless steel ferrules of various ID. We will contact you to discuss your dimensional requirements.
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Ø1.25 mm Single Mode Ceramic Ferrule

Item #Hole Size Compatible Fibers
CFLC126-10Ø126 µmSingle Mode Fiber*

*Not compatible with Ø80 µm outer diameter fiber.

  • Ceramic Ferrule for LC Connectors: Ø1.25 mm Outer Diameter x 6.4 mm Long
  • PC-Polished End Face
  • Sold in Packs of 10
  • Compatible wiht the ADAL1 Mating Sleeve (Sold Below)
  • Contact techsupport@thorlabs.com for Custom Ferrules

These ceramic (zirconia) ferrules feature a Ø126 µm hole size that is compatible with most single mode fibers. The CFLC126-10 LC-sized ferrule is compatible with many LC fiber components and our ADAL1 universal mating sleeve.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
CFLC126-10 Support Documentation
CFLC126-10Ø1.25 mm Single Mode LC Ceramic Ferrule, Ø126 µm Hole Size (10 Pack)
$19.10
Today

Ø2.5 mm Single Mode Ceramic Ferrule

Item #Hole Size Compatible Fibers
CF126-10Ø126 µmSingle Mode Fiber*

*Not compatible with Ø80 µm outer diameter fiber.

  • Ceramic Ferrule for FC and SC Connectors: Ø2.5 mm Outer Diameter x 10.5 mm Long
  • All Ferrules Have a PC-Polished End Face
  • Sold in Packs of 10
  • Compatible with the ADAF1 Mating Sleeve (Sold Below)
  • Contact techsupport@thorlabs.com for Custom Ferrules

These ceramic (zirconia) ferrules feature a Ø126 µm hole size that is compatible with most single mode fibers. The CF126-10 FC- and SC-sized ferrules are compatible with many FC/PC, SC, and ST fiber components and with our ADAF1 universal mating sleeve.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
CF126-10 Support Documentation
CF126-10Customer Inspired!Ø2.5 mm Single Mode FC/SC Ceramic Ferrule, Ø126 µm Hole Size (10 Pack)
$19.10
Today

Ø1.25 mm Multimode Ceramic Ferrules

Item # Hole Size Compatible Fibers
CFLC128-10Ø128 µmFG050UGA, FG050LGA
FG105UCA, FG105LCA,
and GIF Series
CFLC230-10Ø230 µmFT200EMT, FT200UMT,
CFLC270-10Ø270 µmFG200UCC, FG200LCC,
  • Ceramic Ferrule for LC Connectors: Ø1.25 mm Outer Diameter x 6.4 mm Long
  • All Ferrules Have a PC-Polished End Face
  • Sold in Packs of 10
  • Compatible with our ADAL1 Mating Sleeve (Sold Below)
  • Contact techsupport@thorlabs.com for Custom Ferrules

These ceramic (zirconia) ferrules feature five different hole sizes that are compatible with many of our multimode fibers. Please see the table above for a complete list of compatible fibers. They are compatible with many LC fiber components and our ADAL1 LC mating sleeve.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
CFLC128-10 Support Documentation
CFLC128-10Ø1.25 mm Multimode LC Ceramic Ferrule, Ø128 µm Hole Size (10 Pack)
$20.60
Today
CFLC230-10 Support Documentation
CFLC230-10Ø1.25 mm Multimode LC Ceramic Ferrule, Ø230 µm Hole Size (10 Pack)
$50.00
Today
CFLC270-10 Support Documentation
CFLC270-10Ø1.25 mm Multimode LC Ceramic Ferrule, Ø270 µm Hole Size (10 Pack)
$50.50
Today

Ø2.5 mm Multimode Ceramic Ferrules

Item # Hole Size Compatible Fibers
CF128-10Ø128 µmFG050UGA, FG050LGA
FG105UCA, FG105LCA,
and GIF Series
CF230-10Ø230 µmFT200EMT, FT200UMT
CF270-10Ø270 µmFG200UCC, FG200LCC
CF340-10Ø340 µmFT300EMT, FT300UMT
CF440-10Ø440 µmFT400EMT, FT400UMT,
FG365LEC, FG365UEC
  • Ceramic Ferrules for FC and SC Connectors: Ø2.5 mm Outer Diameter x 10.5 mm Long
  • All Ferrules Have a PC-Polished End Face
  • Sold in Packs of 10
  • Compatible with our ADAF1 Mating Sleeve (Sold Below)
  • Contact techsupport@thorlabs.com for Custom Ferrules

These ceramic (zirconia) ferrules feature five different hole sizes that are compatible with many of our multimode fibers. Please see the table above for a complete list of compatible fibers. They are compatible with many FC/PC, SC, and ST fiber components and our ADAF1 mating sleeve.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
CF128-10 Support Documentation
CF128-10Customer Inspired!Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø128 µm Hole Size (10 Pack)
$20.60
Today
CF230-10 Support Documentation
CF230-10Customer Inspired!Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø230 µm Hole Size (10 Pack)
$50.00
Today
CF270-10 Support Documentation
CF270-10Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø270 µm Hole Size (10 Pack)
$50.50
Today
CF340-10 Support Documentation
CF340-10Customer Inspired!Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø340 µm Hole Size (10 Pack)
$51.50
Today
CF440-10 Support Documentation
CF440-10Ø2.5 mm Multimode FC/SC Ceramic Ferrule, Ø440 µm Hole Size (10 Pack)
$53.10
Today

Post-Mountable Ø2.5 mm Ferrule Clamp

Ferrule Clamp
Click to Enlarge

FCM Clamp with Ferrule-Connectorized Cable
  • Compact Flexure Clamp for Ø2.5 mm Ferrules
  • Compatible with FC/PC, FC/APC, ST/PC, and Ferrule Connectors with a 2.5 mm Outer Diameter
  • 8-32 (M4) Tapped Mounting Hole
  • Compatible with Ø1/2" Optical Posts

The FCM Ferrule Clamp allows any connectorized fiber with a Ø2.5 mm ferrule to be mounted securely and compactly within an experimental setup. The fiber ferrule is clamped into the flexure mount using a 5/64" (2 mm) hex key. An 8-32 (M4) tapped hole on the bottom of the mount provides compatibility with our Ø1/2" optical posts.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FCM Support Documentation
FCMPost-Mountable Ø2.5 mm Ferrule Clamp, 8-32 Mounting Hole
$18.90
Today
+1 Qty Docs Part Number - Metric Price Available / Ships
FCM/M Support Documentation
FCM/MPost-Mountable Ø2.5 mm Ferrule Clamp, M4 Mounting Hole
$18.90
Today

Ferrule Mating Sleeves

  • Mate Any Fiber with Ø2.5 mm or Ø1.25 mm Ferrules
  • Sold Individually or in Packs of 5

The ADAF1 and ADAL1 Ferrule Mating Sleeves are designed for use with any terminated fiber with a Ø2.5 mm ferrule, such as FC/PC, ST/PC, or SC/PC connectors, or with a Ø1.25 mm ferrule, such as LC/PC connectors. These zirconia sleeves can be used to create a temporary, quick-release connection between two cables, as shown in the photo to the right. They are compatible with both ceramic and stainless steel ferrule connectors. They are also compatible with our optogenetics fiber optic cannulae, optogenetics patch cables, and empty ceramic ferrules.

These mating sleeves are available individually or in packages of five at a significant savings over the individual price.

Item # PrefixCompatible Ferrule SizeInsertion LossLengthConnection ForceMaterial
ADAF1 2.5 mm Outer Diameter <0.2 dB Typical (SM)a
<1.0 dB Typical (MM)b
11.4 mm 53 N (12 lbf) Maxe
25 N (5.6 lbf) Typicale
Ceramic
(Zirconia)
ADAL1 1.25 mm Outer Diameter <0.5 dB Typical (SM)c
<1.0 dB Typical (MM)d
6.8 mm 11.4 N (2.6 lbf) Maxf
7.2 N (1.6 lbf) Typicalf
  • Tested using SMF28 fiber at 1550 nm with FC/PC connectors.
  • Tested using Ø200 µm core, 0.39 NA multimode fiber with FC/PC connectors and an LED source at 617 nm.
  • Tested using SM600 fiber at 635 nm with LC/PC connectors.
  • Tested using Ø200 µm core, 0.39 NA multimode fiber with LC/PC connectors and an LED source at 617 nm.
  • Tested using an FC/PC-type ferrule.
  • Tested using an LC/PC-type ferrule.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAF1 Support Documentation
ADAF1Ceramic Split Mating Sleeve for Ø2.5 mm (FC/PC, ST/PC, or SC/PC) Ferrules
$5.00
Today
ADAF1-5 Support Documentation
ADAF1-5Ceramic Split Mating Sleeves for Ø2.5 mm (FC/PC, ST/PC, or SC/PC) Ferrules, 5 Pack
$20.00
Today
ADAL1 Support Documentation
ADAL1Ceramic Split Mating Sleeve for Ø1.25 mm (LC/PC) Ferrules
$4.50
Today
ADAL1-5 Support Documentation
ADAL1-5Ceramic Split Mating Sleeves for Ø1.25 mm (LC/PC) Ferrules, 5 Pack
$18.00
Today
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